20870356024

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:933

約数の個数: 128

約数和(自身を含む): 46511308800

約数和(自身を除く): 25640952776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 73, 122, 127, 146, 244, 254, 292, 427, 488, 508, 511, 584, 659, 854, 889, 1016, 1022, 1318, 1708, 1778, 2044, 2636, 3416, 3556, 4088, 4453, 4613, 5272, 7112, 7747, 8906, 9226, 9271, 15494, 17812, 18452, 18542, 30988, 31171, 35624, 36904, 37084, 40199, 48107, 54229, 61976, 62342, 64897, 74168, 80398, 83693, 96214, 108458, 124684, 129794, 160796, 167386, 192428, 216916, 249368, 259588, 281393, 321592, 334772, 336749, 384856, 433832, 519176, 562786, 565531, 585851, 669544, 673498, 1125572, 1131062, 1171702, 1346996, 2251144, 2262124, 2343404, 2693992, 2934527, 3958717, 4524248, 4686808, 5105273, 5869054, 6109589, 7917434, 10210546, 11738108, 12219178, 15834868, 20421092, 20541689, 23476216, 24438356, 31669736, 35736911, 40842184, 41083378, 42767123, 48876712, 71473822, 82166756, 85534246, 142947644, 164333512, 171068492, 285895288, 342136984, 372684929, 745369858, 1490739716, 2608794503, 2981479432, 5217589006, 10435178012, 20870356024]

約数ペア:

[(1, 20870356024), (2, 10435178012), (4, 5217589006), (7, 2981479432), (8, 2608794503), (14, 1490739716), (28, 745369858), (56, 372684929), (61, 342136984), (73, 285895288), (122, 171068492), (127, 164333512), (146, 142947644), (244, 85534246), (254, 82166756), (292, 71473822), (427, 48876712), (488, 42767123), (508, 41083378), (511, 40842184), (584, 35736911), (659, 31669736), (854, 24438356), (889, 23476216), (1016, 20541689), (1022, 20421092), (1318, 15834868), (1708, 12219178), (1778, 11738108), (2044, 10210546), (2636, 7917434), (3416, 6109589), (3556, 5869054), (4088, 5105273), (4453, 4686808), (4613, 4524248), (5272, 3958717), (7112, 2934527), (7747, 2693992), (8906, 2343404), (9226, 2262124), (9271, 2251144), (15494, 1346996), (17812, 1171702), (18452, 1131062), (18542, 1125572), (30988, 673498), (31171, 669544), (35624, 585851), (36904, 565531), (37084, 562786), (40199, 519176), (48107, 433832), (54229, 384856), (61976, 336749), (62342, 334772), (64897, 321592), (74168, 281393), (80398, 259588), (83693, 249368), (96214, 216916), (108458, 192428), (124684, 167386), (129794, 160796)]